| Union Concrete and Construction NY | Construction | 0 | - | F |
| Union County NJ | Healthcare & Social Assistance | 0 | - | D |
| Union County Board of Education NC | Public Administration | 1 | $55,710 | - |
| Union County Hospital Authority GA | Healthcare & Social Assistance | 0 | - | F |
| Union County School District #1 OR | Educational Services | 0 | - | A |
| Union Electric Akers PA | - | 0 | - | - |
| Union Electric Steel Corporation PA | Manufacturing | 0 | - | C |
| Union First Market Bank VA | - | 0 | - | - |
| Union for Reform Judaism NY | - | 0 | - | - |
| Union General Hospital, Inc. GA | Healthcare & Social Assistance | 7 | $46,711 | C |
| Union Hospital, Inc. IN | Healthcare & Social Assistance | 1 | $125,840 | - |
| Union Ink Company NJ | - | 0 | - | - |
| Union Leader Corporation NH | - | 0 | - | - |
| Union League Club of Chicago IL | - | 0 | - | - |
| Union Metal Corporation OH | - | 0 | - | - |
| Union Metal Industries Corporation OH | Manufacturing | 0 | - | F |
| Union Mill Supermarket LLC NJ | Retail Trade | 0 | - | A |
| Union of Pan Asian Communities (Neighborhood Enterprise Center) CA | - | 0 | - | - |
| Union Pacific CA | - | 0 | - | - |
| Union Pacific NE | - | 0 | - | - |
| Union Pacific OR | - | 0 | - | - |
| Union Pacific - Withdrawn NE | - | 0 | - | - |
| Union Pacific Company CO | - | 0 | - | - |
| Union Pacific Neff Diesel Locomotive Shop MO | - | 0 | - | - |
| Union Pacific Palestine Car Facility TX | - | 0 | - | - |
| Union Pacific Railroad Company NE | Transportation & Warehousing | 8 | $142,210 | - |
| Union Packaging PA | - | 0 | - | - |
| Union Plaza Nursing Home, Inc. NY | Healthcare & Social Assistance | 1 | $74,700 | - |
| Union Sanitary District CA | Utilities | 0 | - | F |
| Union School District CA | Educational Services | 1 | $114,146 | - |
| Union Settlement Home Care Services, Inc. NY | - | 0 | - | - |
| Union Sq 4th F&B Management LLC dba BOWERY ROAD and LIBRARY OF DISTILLED SPIRITS NY | - | 0 | - | - |
| Union Square Advisors LLC CA | Finance & Insurance | 1 | $175,000 | - |
| Union Square Café - Union Square Hospitality Group NY | - | 0 | - | - |
| Union Square Café II, LLC dba Union Square Café NY | - | 0 | - | - |
| Union Square Catering Facility, Inc. (The Coffee Shop) NY | - | 0 | - | - |
| Union Square Hospitality Group (USHG), LLC NY | - | 0 | - | - |
| Union Square Hospitality Group -Tabla Restaurant NY | - | 0 | - | - |
| Union Station Hotel TN | - | 0 | - | - |
| Union Station Hotel Nashville TN | - | 0 | - | - |
| Union Studio Architecture & Community Design RI | Professional & Technical Services | 1 | $75,000 | - |
| Union Supply Group, Inc. CA | - | 0 | - | - |
| Union Systems INC WA | Information & Media | 2 | $200,500 | - |
| Union Tank Car NE | - | 0 | - | - |
| Union Tank Car Co. GA | Transportation & Warehousing | 0 | - | C |
| Union Tank Car Co.-Houston TX | - | 0 | - | - |
| Union Tank Car Company LA | Manufacturing | 0 | - | F |
| Union Tank Car Company OH | Transportation & Warehousing | 0 | - | D |
| Union Tech Inc. TX | Manufacturing | 2 | $130,000 | - |
| Union Temporary Services, INC. FL | Administrative & Waste Services | 0 | - | C |
